2912682920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1\times {\mathrm{1069}}^1$

素因数の和:1387

約数の個数: 128

約数和(自身を含む): 7728652800

約数和(自身を除く): 4815969880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 263, 280, 296, 370, 518, 526, 740, 1036, 1052, 1069, 1295, 1315, 1480, 1841, 2072, 2104, 2138, 2590, 2630, 3682, 4276, 5180, 5260, 5345, 7364, 7483, 8552, 9205, 9731, 10360, 10520, 10690, 14728, 14966, 18410, 19462, 21380, 29932, 36820, 37415, 38924, 39553, 42760, 48655, 59864, 68117, 73640, 74830, 77848, 79106, 97310, 136234, 149660, 158212, 194620, 197765, 272468, 276871, 281147, 299320, 316424, 340585, 389240, 395530, 544936, 553742, 562294, 681170, 791060, 1107484, 1124588, 1362340, 1384355, 1405735, 1582120, 1968029, 2214968, 2249176, 2724680, 2768710, 2811470, 3936058, 5537420, 5622940, 7872116, 9840145, 10402439, 11074840, 11245880, 15744232, 19680290, 20804878, 39360580, 41609756, 52012195, 72817073, 78721160, 83219512, 104024390, 145634146, 208048780, 291268292, 364085365, 416097560, 582536584, 728170730, 1456341460, 2912682920]

約数ペア:

[(1, 2912682920), (2, 1456341460), (4, 728170730), (5, 582536584), (7, 416097560), (8, 364085365), (10, 291268292), (14, 208048780), (20, 145634146), (28, 104024390), (35, 83219512), (37, 78721160), (40, 72817073), (56, 52012195), (70, 41609756), (74, 39360580), (140, 20804878), (148, 19680290), (185, 15744232), (259, 11245880), (263, 11074840), (280, 10402439), (296, 9840145), (370, 7872116), (518, 5622940), (526, 5537420), (740, 3936058), (1036, 2811470), (1052, 2768710), (1069, 2724680), (1295, 2249176), (1315, 2214968), (1480, 1968029), (1841, 1582120), (2072, 1405735), (2104, 1384355), (2138, 1362340), (2590, 1124588), (2630, 1107484), (3682, 791060), (4276, 681170), (5180, 562294), (5260, 553742), (5345, 544936), (7364, 395530), (7483, 389240), (8552, 340585), (9205, 316424), (9731, 299320), (10360, 281147), (10520, 276871), (10690, 272468), (14728, 197765), (14966, 194620), (18410, 158212), (19462, 149660), (21380, 136234), (29932, 97310), (36820, 79106), (37415, 77848), (38924, 74830), (39553, 73640), (42760, 68117), (48655, 59864)]